There are
1,586 mi
from Bend, OR to Sioux Falls, SD
That's the driving distance. It would take 1 day 4 hours to go from Bend, Oregon to Sioux Falls, South Dakota.
The flight distance (direct flight from Bend, OR to Sioux Falls, SD) is 1,223.35 mi.
1,586 mi = 1.61 kms